He was playing by swinging the tree branch.

Japan's exclusive economic zone plays a crucial role in the management and utilization of marine resources.

In chemistry class, I learned about the reaction of pyruvate.

Non-fungible tokens are used to represent unique assets such as digital art and music.

Please take this medicine one sho at a time.

He is our salvation.

This job is a little more difficult than I thought.

He is suffering from acquired immune deficiency syndrome (AIDS).

She was diagnosed with polycystic ovary syndrome.

He was diagnosed with amyotrophic lateral sclerosis.